Street sweeper



FIG. 1 is a right side elevational view of a street sweeper showing mynew design.

FIG. 2 is a front elevatonal view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a top plan view thereof.

The ornamental design for a street sweeper, as shown.